{
 "meta": {
  "dataset": "Subscriber history — @class_10th_science_note",
  "channel": "https://tgregister.com/channel/class_10th_science_note",
  "retrieved_at": "2026-09-12T14:30:47.881Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 30,
  "window": {
   "from": "2026-08-07T03:16:18.359Z",
   "to": "2026-09-12T06:15:24.833Z"
  },
  "columns": {
   "ts": "when this reading was taken, UTC",
   "subscribers": "the count read (or, for source 3, carried over) — see source below",
   "source": {
    "0": "sweep.py — t.me/<name> profile page",
    "1": "promote.py — Bot API getChat",
    "2": "resolve.py — MTProto",
    "3": "spromote.py — t.me/s/<name> post preview (figure carried over from an earlier profile read, not the preview’s own rounded header)",
    "4": "remeasure.py — t.me/<name> profile page, re-read on a schedule"
   }
  },
  "note": "Snapshots are written only when a reading changes: a gap in ts means \"no change observed between readings\", never \"not measured\" and never \"interpolated\". Readings from different sources are separate lineages that do not confirm one another — subtracting across them can attribute a change to a period nothing was actually read in. Full method: https://tgregister.com/methodology#measuring"
 },
 "rows": [
  {
   "ts": "2026-08-07T03:16:18.359Z",
   "subscribers": 12340,
   "source": 0
  },
  {
   "ts": "2026-08-07T23:14:58.242Z",
   "subscribers": 12333,
   "source": 4
  },
  {
   "ts": "2026-08-09T02:31:45.781Z",
   "subscribers": 12320,
   "source": 4
  },
  {
   "ts": "2026-08-10T01:02:25.630Z",
   "subscribers": 12319,
   "source": 4
  },
  {
   "ts": "2026-08-11T00:26:40.211Z",
   "subscribers": 12306,
   "source": 4
  },
  {
   "ts": "2026-08-12T03:21:56.968Z",
   "subscribers": 12295,
   "source": 4
  },
  {
   "ts": "2026-08-13T04:35:30.432Z",
   "subscribers": 12288,
   "source": 4
  },
  {
   "ts": "2026-08-14T14:33:27.282Z",
   "subscribers": 12276,
   "source": 4
  },
  {
   "ts": "2026-08-16T01:56:40.369Z",
   "subscribers": 12258,
   "source": 4
  },
  {
   "ts": "2026-08-17T11:54:24.646Z",
   "subscribers": 12243,
   "source": 4
  },
  {
   "ts": "2026-08-18T13:05:54.255Z",
   "subscribers": 12223,
   "source": 4
  },
  {
   "ts": "2026-08-19T11:15:59.426Z",
   "subscribers": 12218,
   "source": 4
  },
  {
   "ts": "2026-08-20T10:43:11.055Z",
   "subscribers": 12216,
   "source": 4
  },
  {
   "ts": "2026-08-20T20:28:29.323Z",
   "subscribers": 12216,
   "source": 1
  },
  {
   "ts": "2026-08-21T10:17:00.766Z",
   "subscribers": 12209,
   "source": 4
  },
  {
   "ts": "2026-08-22T20:17:10.981Z",
   "subscribers": 12213,
   "source": 4
  },
  {
   "ts": "2026-08-24T12:13:51.005Z",
   "subscribers": 12196,
   "source": 4
  },
  {
   "ts": "2026-08-25T11:02:29.512Z",
   "subscribers": 12183,
   "source": 4
  },
  {
   "ts": "2026-08-26T08:55:30.241Z",
   "subscribers": 12169,
   "source": 4
  },
  {
   "ts": "2026-08-27T10:35:57.113Z",
   "subscribers": 12166,
   "source": 4
  },
  {
   "ts": "2026-08-28T11:52:12.607Z",
   "subscribers": 12162,
   "source": 4
  },
  {
   "ts": "2026-08-29T13:49:06.148Z",
   "subscribers": 12156,
   "source": 4
  },
  {
   "ts": "2026-08-30T14:15:29.439Z",
   "subscribers": 12147,
   "source": 4
  },
  {
   "ts": "2026-08-31T13:37:22.838Z",
   "subscribers": 12139,
   "source": 4
  },
  {
   "ts": "2026-09-01T11:04:42.505Z",
   "subscribers": 12131,
   "source": 4
  },
  {
   "ts": "2026-09-02T15:03:23.226Z",
   "subscribers": 12127,
   "source": 4
  },
  {
   "ts": "2026-09-04T04:59:01.761Z",
   "subscribers": 12112,
   "source": 4
  },
  {
   "ts": "2026-09-06T18:00:20.865Z",
   "subscribers": 12092,
   "source": 4
  },
  {
   "ts": "2026-09-10T01:57:41.613Z",
   "subscribers": 12064,
   "source": 4
  },
  {
   "ts": "2026-09-12T06:15:24.833Z",
   "subscribers": 12039,
   "source": 4
  }
 ]
}